This manual provides detailed information on Rinnai's on-demand
recirculation accessories; it is designed for field installers and is a
supplement to the Control-R™ Wi-Fi Module Installation Manual
(supplied inside module package).
1 What is Recirculation? ..................................... 3
Recirculation Components ........................................ 3
Tankless Water Heaters with Circ-Logic .................... 4
How On-Demand Recirculation Works
Recirculation with a Dedicated Return Line
Recirculation with a Crossover Valve
2 Let's Get Started ........................................... 12
Step 1: Install Module
Step 2: Connect Module to Water Heater and
Step 3: Testing Accessories with Circ-Logic ............. 31
3 Installation Tips ............................................ 32
4 Frequently Asked Questions ......................... 33
Appendix A: Install the Module on a Wall ........... 36
Appendix B: Additional Parameter Settings ......... 38
2
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Configure Settings ...................................... 12
Step 2A: SENSEI™ Models .................. 13
Step 2B: Non-SENSEI™ Models ........... 23
Recirculation with On-Demand Accessories User Guide
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5
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8
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11
12
Need help?
Do you have a question about the Control-R and is the answer not in the manual?